DE3147370C2 - - Google Patents

Info

Publication number
DE3147370C2
DE3147370C2 DE3147370A DE3147370A DE3147370C2 DE 3147370 C2 DE3147370 C2 DE 3147370C2 DE 3147370 A DE3147370 A DE 3147370A DE 3147370 A DE3147370 A DE 3147370A DE 3147370 C2 DE3147370 C2 DE 3147370C2
Authority
DE
Germany
Prior art keywords
container
liquid
level
measuring unit
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3147370A
Other languages
German (de)
English (en)
Other versions
DE3147370A1 (de
Inventor
Hiroshi Kamakura Kanagawa Jp Matsumura
Yasuto Yokohama Kanagawa Jp Ohta
Tetsuo Zushi Kanagawa Jp Nozaki
Makoto Chigasaki Kanagawa Jp Shimizu
Shigeru Hiratsuka Kanagawa Jp Sugizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOKYO TATSUNO CO Ltd TOKIO/TOKYO JP
Original Assignee
TOKYO TATSUNO CO Ltd TOKIO/TOKYO JP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TOKYO TATSUNO CO Ltd TOKIO/TOKYO JP filed Critical TOKYO TATSUNO CO Ltd TOKIO/TOKYO JP
Publication of DE3147370A1 publication Critical patent/DE3147370A1/de
Application granted granted Critical
Publication of DE3147370C2 publication Critical patent/DE3147370C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DE19813147370 1981-09-25 1981-11-30 Vorrichtung zur messung und anzeige des fuellstandes einer fluessigkeit in einem behaelter Granted DE3147370A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56150565A JPS5852520A (ja) 1981-09-25 1981-09-25 液量測定装置

Publications (2)

Publication Number Publication Date
DE3147370A1 DE3147370A1 (de) 1983-04-14
DE3147370C2 true DE3147370C2 (fr) 1989-02-16

Family

ID=15499654

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813147370 Granted DE3147370A1 (de) 1981-09-25 1981-11-30 Vorrichtung zur messung und anzeige des fuellstandes einer fluessigkeit in einem behaelter

Country Status (9)

Country Link
US (1) US4434657A (fr)
JP (1) JPS5852520A (fr)
DE (1) DE3147370A1 (fr)
GB (1) GB2107468B (fr)
HK (1) HK53787A (fr)
MY (1) MY8700494A (fr)
NL (1) NL192008C (fr)
SE (1) SE457384B (fr)
SG (1) SG32287G (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835421A (ja) * 1981-08-27 1983-03-02 Nissan Motor Co Ltd 燃料センサ
GB2142145A (en) * 1983-04-27 1985-01-09 Electronic Components Ltd Liquid level sensing apparatus
JPS60166825A (ja) * 1984-02-09 1985-08-30 Tokyo Tatsuno Co Ltd 燃料油量検出用静電容量測定棒
US4736329A (en) * 1984-10-25 1988-04-05 Air Products And Chemicals, Inc. Method and system for measurement of liquid level in a tank
US4602344A (en) * 1984-10-25 1986-07-22 Air Products And Chemicals, Inc. Method and system for measurement of liquid level in a tank
JPH0630999B2 (ja) * 1984-10-30 1994-04-27 ぺんてる株式会社 静電複写画像修正用消しゴム
GB8429727D0 (en) * 1984-11-24 1985-01-03 Bass Plc Monitoring level of liquid
JPH0686160B2 (ja) * 1984-11-28 1994-11-02 ぺんてる株式会社 静電複写画像修正用消しゴム
JPS61202122A (ja) * 1985-03-06 1986-09-06 Tokyo Tatsuno Co Ltd 液位液量測定装置
JPH0633037B2 (ja) * 1985-03-28 1994-05-02 ぺんてる株式会社 静電複写画像修正用消しゴム
AT397718B (de) * 1986-09-17 1994-06-27 Avl Verbrennungskraft Messtech Niveau-messgerät für elektrisch nicht leitende flüssigkeiten
US5001927A (en) * 1989-09-25 1991-03-26 Teleflex Incorporated Full sensing unit
GB8926223D0 (en) * 1989-11-20 1990-01-10 Solinst Canada Ltd Water level probe
US5156047A (en) * 1990-08-30 1992-10-20 Tanknology Corporation International Water sensor that detects tanks or vessel leakage
US5347849A (en) * 1990-08-30 1994-09-20 Tanknology Corporation International Water sensor that detects tank or vessel leakage
US5138880A (en) * 1991-05-29 1992-08-18 Lee/Maatuk Engineering, Inc. Digital level sensing probe system
US5602333A (en) * 1994-06-17 1997-02-11 Smiths Industries Apparatus for measuring the level of a liquid in a tank
US5945831A (en) * 1997-06-10 1999-08-31 Sargent; John S. Volume charge density measuring system
ES2132034B1 (es) * 1997-11-19 2000-03-01 Grifols Grupo Sa Dispositivo para la manipulacion y deteccion de nivel de liquidos.
EP0918221B1 (fr) 1997-11-19 2006-09-06 Grifols, S.A. Appareil pour réaliser automatiquement des tests de laboratoire
AU4717799A (en) * 1998-06-24 2000-01-10 Cordant Technologies, Inc. Monitoring liquid level in a container with a capacitive transducer
US6586950B1 (en) 1998-12-04 2003-07-01 John S. Sargent Volume charge density measuring system
US6586949B1 (en) * 1999-12-03 2003-07-01 John S. Sargent Volume charge density measuring system
DE102004004923B4 (de) * 2004-01-27 2012-12-13 Frank Bayer Vorrichtung zur kapazitiven Füllstandsmessung
FR2906027B1 (fr) * 2006-09-20 2009-02-20 Airbus Sas Dispositif de mesure multicapteur pour sonde de jaugeage embarquee
WO2010077893A1 (fr) * 2008-12-16 2010-07-08 Actuant Corporation Capteur de niveau de liquide avec capacitance de référence
US20150122015A1 (en) * 2012-06-14 2015-05-07 Koninklijke Philips N.V. Capacitive level sensor
CN103217201B (zh) * 2013-04-18 2015-11-25 苏州赛智达智能科技有限公司 外环结构的子母电容式传感器
CN103234598A (zh) * 2013-04-18 2013-08-07 苏州赛智达智能科技有限公司 一种用于lng贮罐中的传感器装置
KR102342565B1 (ko) 2014-12-30 2021-12-23 삼성전자주식회사 오일 레벨 검출 장치 및 그 제어방법, 오일 유동 검출 장치 및 그 제어방법, 오일 레벨 및 오일의 검출 결과를 이용한 오일 회수 운전 제어방법
CN105300477B (zh) * 2015-11-03 2019-06-25 天津市飞跃兄弟测控技术有限公司 一种水位测量方法和水位测量尺
EP3521778B1 (fr) * 2018-02-06 2021-11-17 VEGA Grieshaber KG Capteur d'impédance et son procédé de fonctionnement
EP3521777B1 (fr) * 2018-02-06 2021-05-19 VEGA Grieshaber KG Capteur d'impédance et son procédé de fonctionnement
US11460403B2 (en) 2018-07-05 2022-10-04 AhuraTech LLC Electroluminescent methods and devices for characterization of biological specimens
US11393387B2 (en) 2018-07-05 2022-07-19 AhuraTech LLC Open-circuit electroluminescence
US11428656B2 (en) 2018-07-05 2022-08-30 AhuraTech LLC Electroluminescent methods and system for real-time measurements of physical properties
DE102021101417A1 (de) 2021-01-22 2022-07-28 Vega Grieshaber Kg Verfahren zur Grenzstanddetektion und Grenzstandsensor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208280A (en) * 1962-11-07 1965-09-28 Honeywell Inc Control apparatus
US3798515A (en) * 1972-03-24 1974-03-19 Gull Airborne Instruments Inc Fuel immersible capacitor for measurement of mass of liquid fuel in a tank
JPS49104667A (fr) * 1973-02-05 1974-10-03
JPS6035614B2 (ja) * 1977-04-12 1985-08-15 日本電波株式会社 貯油タンク用液面センサ
DE2744820C3 (de) * 1977-10-05 1980-08-07 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitiver Meßwertumformer
DE2824144C2 (de) * 1978-06-02 1983-12-08 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zur kapazitiven Niveauhöhenmessung von Flüssigkeiten oder Feststoffen
GB2058364B (en) * 1979-09-01 1983-03-23 Ferranti Ltd Capacitance measuring apparatus
DE2945965A1 (de) * 1979-11-14 1981-05-27 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zur kapazitiven fuellstandsmessung
NL8002951A (nl) * 1980-05-21 1981-12-16 Gebhard Electro B V Capacitieve meetinrichting.
JPS573012A (en) * 1980-06-09 1982-01-08 Tominaga Oil Pump Mfg Co Ltd Level gauge
JPS5746125A (en) * 1980-09-04 1982-03-16 Tominaga Oil Pump Mfg Co Ltd Electrostatic capacity type liquid meter
JPS5752826A (en) * 1980-09-13 1982-03-29 Tominaga Oil Pump Mfg Co Ltd Electrode of electrostatic capacity type liquid quantity meter

Also Published As

Publication number Publication date
MY8700494A (en) 1987-12-31
NL192008B (nl) 1996-08-01
SG32287G (en) 1987-07-17
DE3147370A1 (de) 1983-04-14
US4434657A (en) 1984-03-06
GB2107468A (en) 1983-04-27
JPH0370772B2 (fr) 1991-11-08
HK53787A (en) 1987-07-24
NL8105241A (nl) 1983-04-18
GB2107468B (en) 1985-08-21
JPS5852520A (ja) 1983-03-28
SE8106830L (sv) 1983-03-26
NL192008C (nl) 1996-12-03
SE457384B (sv) 1988-12-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition